Citazione Stile APA (7a Edizione)
Workshop Semigroups and Languages Lisbon, Portugal, Universidade de Lisboa. Centro de Algebra, ebrary, Inc, & Araújo, I. M. (2004). Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. World Scientific.
Citazione stile Chigago Style (17a edizione)
Workshop Semigroups and Languages Lisbon, Portugal, Universidade de Lisboa. Centro de Algebra, Inc ebrary, e Isabel M. Araújo. Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. River Edge, NJ: World Scientific, 2004.
Citatione MLA (9a ed.)
Workshop Semigroups and Languages Lisbon, Portugal, et al. Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. World Scientific, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.